Use the first three triominoes to find the missing number in the fourth triomino. 20 22 24 26 answer fast! sadly i dont have an image to show

After applying the composition r0.90 ry to rs what are the coordinates of r' and s'? a.r'(–3, 1),  s'(–3, 5)b.r'(–1, 3),  s'(–5, 3)c.r'(1, 3),  s'(5, 3)d.r'(5, 3),  s'(1, 3)

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How much dextrose 70% must be mixed with dextrose 5% to prepare 1,000 ml of dextrose 20%?